All-in-One Gadgets: They're
Compact but No Cure-All

The Sony Ericsson P800 is an Internet-enabled PC, hand-phone, digital organizer and camera rolled into one. But some things are better kept separate.

If you're anything like me, you hope the next gadget you buy will solve all the problems with your existing one -- phone, palm-held device, lawnmower -- only to find that in most cases, you're forced to settle for something that may be better, but not necessarily in the way you imagined,...